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Gr 3–5—An opening chapter invites readers to imagine themselves as the featured animal, either in fanciful terms ("Would you become an incredible drummer" if you were an octopus?") or more fact-based ones ("Your back legs are so weak that you can't walk") as a sloth...
Gr 4–6—After a brief overview of star life cycles, habitable zones, and how scientists conduct the search for Earth-like planets, the book presents the ecosystems and possible life forms of several imaginary planets...